Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Felsenthal Water and Sewer

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND30ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against hormone disruption.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-2718060003101ND
2018-05-0118123006001ND
2018-07-1018193006801ND
2018-10-2418298000201ND
2019-02-1819052004601ND
2019-07-1519198002101ND
2019-10-2819303001701ND
2020-01-2820030005207ND
2020-06-1620170004001ND
2020-07-2020204001201ND
2020-11-1720324002901ND
2021-01-2721028015101ND
2021-04-2121111000301ND
2021-08-3021245000201ND
2021-10-2621301005501ND
2022-03-02O195908-VOC-1ND
2022-05-24O198513-VOC-1ND
2022-07-26O200115-VOC-1ND
2022-10-24O203229-VOC-1ND
2023-02-14O206557-VOC-1ND
2023-05-30O209501-VOC-1ND
2023-07-24O211088-VOC-1ND
2023-10-09O212796-VOC-1ND